TSRSX Performance — Thornburg Strategic Income Fund, Class R6
Data updated: 2026-08-24
TSRSX returned +1.26% year to date and +4.57% over one year to Jun 2026. Annualised returns are +6.03% over 3 years and +3.16% over 5 years. The fund beat its Intermediate Core Bond category average: $100 invested three years ago grew to $119, against $115 for the category, and to $105 over one year, against $104. Volatility over the past three years was 3.40% a year. In the 12 months to Jun 2026 the fund took in a net $404.7M, and assets reached $10.09B.
TSRSX Growth of $100
What $100 invested in Thornburg Strategic Income Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Core Bond category average over the same months.
| Period | TSRSX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $105 | $104 |
| 3 years (Jul 2023 – Jun 2026) | $119 | $115 |
| 5 years (Jul 2021 – Jun 2026) | $117 | $102 |
| Since data start (Jul 2019 – Jun 2026) | $132 | $112 |
TSRSX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.26% |
| 1 year | +4.57% |
| 3 years (annualised) | +6.03% |
| 5 years (annualised) | +3.16% |
TSRSX Annual Returns
Calendar-year total returns of Thornburg Strategic Income Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +1.26% |
| 2025 | +7.73% |
| 2024 | +4.81% |
| 2023 | +7.79% |
| 2022 | −6.12% |
| 2021 | +2.86% |
| 2020 | +8.32% |
| 2019 (Jul–Dec) | +2.41% |
TSRSX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +0.3% | +1.0% | −1.3% | +0.5% | +0.3% | +0.3% | — | — | — | — | — | — |
| 2025 | +0.7% | +1.6% | +0.1% | +0.4% | +0.1% | +1.3% | +0.1% | +1.2% | +0.7% | +0.5% | +0.6% | +0.2% |
| 2024 | +0.4% | −0.4% | +0.8% | −1.2% | +1.3% | +0.9% | +1.9% | +1.2% | +1.1% | −1.4% | +0.9% | −0.8% |
| 2023 | +2.3% | −1.0% | +1.5% | +0.6% | −0.2% | +0.2% | +0.7% | 0.0% | −1.2% | −0.7% | +3.0% | +2.5% |
| 2022 | −1.0% | −1.0% | −1.2% | −1.8% | +0.1% | −2.2% | +1.7% | −0.7% | −2.2% | 0.0% | +1.9% | +0.2% |
| 2021 | +0.4% | +0.1% | −0.2% | +0.7% | +0.5% | +0.3% | +0.6% | +0.3% | +0.1% | −0.1% | −0.3% | +0.4% |
| 2020 | +0.7% | +0.3% | −6.5% | +2.7% | +3.0% | +2.1% | +2.0% | +0.8% | +0.4% | +0.4% | +1.5% | +0.9% |
| 2019 | — | — | — | — | — | — | +0.3% | +0.8% | +0.1% | +0.4% | +0.1% | +0.6% |
TSRSX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 3.40%
- 3-year Sharpe ratio: 0.45 (vs 4.5% risk-free rate)
- Best month: +2.98% (Nov 2023)
- Worst month: −1.35% (Oct 2024)
TSRSX Fund Flows
Monthly money in and out of Thornburg Strategic Income Fund, from SEC Form N-PORT.
- 12-month net flow: $404.7M
- 12-month gross sales (incl. reinvestments): $3.6B
- Sales ÷ redemptions: 1.13×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $252.6M | $307.4M | −$54.7M |
| May 2026 | $257.8M | $225.4M | $32.4M |
| Apr 2026 | $268.8M | $310.5M | −$41.7M |
| Mar 2026 | $287.0M | $393.4M | −$106.4M |
| Feb 2026 | $297.5M | $249.0M | $48.5M |
| Jan 2026 | $341.9M | $366.0M | −$24.1M |
| Dec 2025 | $309.2M | $223.7M | $85.5M |
| Nov 2025 | $268.8M | $226.7M | $42.1M |
| Oct 2025 | $377.4M | $283.6M | $93.8M |
| Sep 2025 | $354.0M | $214.7M | $139.3M |
| Aug 2025 | $268.4M | $194.4M | $74.0M |
| Jul 2025 | $329.5M | $213.5M | $115.9M |
TSRSX Assets Under Management
Net assets of Thornburg Strategic Income Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $10.09B |
| 2026-03-31 | $10.16B |
| 2025-12-31 | $10.37B |
| 2025-09-30 | $10.14B |
| 2025-06-30 | $9.73B |
| 2025-03-31 | $9.56B |
| 2024-12-31 | $9.52B |
| 2024-09-30 | $9.43B |
| 2024-06-30 | $8.61B |
| 2024-03-31 | $8.32B |
| 2023-12-31 | $7.78B |
| 2023-09-30 | $6.97B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.